package com.webserver.http;

import java.util.HashMap;
import java.util.Map;

/**
 * 记录所有HTTP协议相关的规定内容
 */

public class HttpContext {
    /*
    所有资源后缀与头信息Content-Type的值的对应关系
    value：Content-Type头对应的值
     */
    private static Map<String,String> mimeMapping = new HashMap<>();
    static {
        initMimeMapping();
    }
    private static void initMimeMapping(){
        mimeMapping.put("html","text/html");
        mimeMapping.put("css","text/css");
        mimeMapping.put("js","application/javascript");
        mimeMapping.put("png","image/png");
        mimeMapping.put("jpg","image/jpeg");
        mimeMapping.put("gif","image/gif");
    }

    /**
     * 根据资源后缀获取头信息Content-Type的值.
     * @param ext
     * @return
     */
    public static String getMimeType(String ext){
        return mimeMapping.get(ext);
    }

    public static void main(String[] args) {
        String type = getMimeType("css");
        System.out.println(type);
    }
}
